A cafe stores ice cream in a large hemisphere-shaped bowl with a diameter of 36 cm. The ice cream has a density of 0.87 g/cm3.
The cafe sells the ice cream for £2.10 for a portion of 160 g.
If the bowl is filled to the top, what is the maximum amount of money the cafe can make by selling whole portions of ice cream?

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95